Alpha - 1

2026 (9)

June (1)

k8s: Introducing the Cluster API plugin for Headlamp

Kubernetes Official Blog

2026-06-25

Headlamp now has an alpha Cluster API plugin that adds visual management and debugging views for CAPI resources inside the UI. It covers cluster health, resource hierarchies, scaling, bootstrap config inspection, topology awareness, map view, and inline Prometheus metrics support.

May (6)

k8s: Kubernetes v1.36: New Metric for Route Sync in the Cloud Controller Manager

Kubernetes Official Blog

2026-05-15

Kubernetes v1.36 adds an alpha CCM route-controller metric, `route_controller_route_sync_total`, which counts cloud route syncs. It is meant to help validate the watch-based route reconciliation feature gate by comparing sync frequency against the existing fixed-interval loop.

k8s: Kubernetes v1.36: Advancing Workload-Aware Scheduling

Kubernetes Official Blog

2026-05-13

Kubernetes v1.36 introduces a redesigned workload-aware scheduling model with separate Workload and PodGroup APIs, a dedicated PodGroup scheduling cycle for gang scheduling, topology-aware placement, workload-aware preemption, DRA ResourceClaim support for PodGroups, and initial Job controller integration. All of these features are alpha and require specific feature gates; the Job integration currently applies only to fixed-size, Indexed Jobs.

k8s: Kubernetes v1.36: More Drivers, New Features, and the Next Era of DRA

Kubernetes Official Blog

2026-05-07

Kubernetes v1.36 adds multiple DRA graduations and new alpha features, including support for ResourceClaims in PodGroups, node allocatable resources, and device metadata discovery in containers. It also improves scheduling, health reporting, and resource visibility, while continuing the migration path from device plugins to DRA.

k8s: Kubernetes v1.36: Server-Side Sharded List and Watch

Kubernetes Official Blog

2026-05-06

Kubernetes v1.36 adds server-side sharded list and watch as an alpha feature. The API server can now filter list/watch results by a shard selector so each controller replica receives only the objects in its assigned hash range, reducing duplicate network and deserialization work.

k8s: Kubernetes v1.36: Admission Policies That Can't Be Deleted

Kubernetes Official Blog

2026-05-04

Kubernetes v1.36 adds an alpha manifest-based admission control feature that loads admission webhooks and CEL policies from files on disk at API server startup. It closes the bootstrap gap and allows on-disk policies to protect API-based admission resources from deletion or modification.

k8s: Kubernetes v1.36: Pod-Level Resource Managers (Alpha)

Kubernetes Official Blog

2026-05-01

Kubernetes v1.36 adds Pod-Level Resource Managers as an alpha feature, extending Topology, CPU, and Memory Managers to work from pod-level resource specs instead of only per-container allocations. It is intended for mixed pods that need NUMA-aligned exclusive resources for some containers while keeping lightweight sidecars in a pod-level shared pool.

April (2)

k8s: Kubernetes v1.36: Tiered Memory Protection with Memory QoS

Kubernetes Official Blog

2026-04-29

Kubernetes v1.36 updates the alpha Memory QoS feature to separate throttling from reservation, add tiered memory protection by Pod QoS class, expose kubelet metrics, and warn on kernels older than 5.9. With the new policy, Guaranteed Pods get memory.min, Burstable Pods get memory.low, and BestEffort Pods get no protection; throttling via memory.high still applies.

k8s: Kubernetes v1.36: ハル (Haru)

Kubernetes Official Blog

2026-04-22

Kubernetes v1.36 (Haru) ships 70 enhancements: 18 stable, 25 beta, and 25 alpha. Highlights include GA for fine-grained kubelet API authorization, user namespaces in pods, external ServiceAccount token signing, SELinux volume label changes, and removal of the gitRepo volume driver; Service.spec.externalIPs is deprecated for removal in v1.43.